| EFFECTIVE LENGTH | 4.750 INCHES NOMINAL |
| CRITICALITY CODE JUSTIFICATION | ABMZ AND ABPA |
| DIAMETER | 0.508 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| FIRST END STYLE | SQUARE |
| HEAD STYLE | FLAT |
| HEIGHT | 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY 675 OR COPPER ALLOY 670 AND COPPER ALLOY 462 OVERALL |
| PIN HEAD DIAMETER | 0.780 INCHES MINIMUM AND 0.790 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| UNDERCUT DIAMETER | 0.504 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.488 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 6.152 INCHES MINIMUM AND 6.177 INCHES MAXIMUM |